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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package com.c2kernel.lifecycle.instance.predefined;
import java.util.Arrays;
import com.c2kernel.collection.AggregationDescription;
import com.c2kernel.collection.CollectionDescription;
import com.c2kernel.collection.DependencyDescription;
import com.c2kernel.common.InvalidData;
import com.c2kernel.common.ObjectAlreadyExists;
import com.c2kernel.common.ObjectNotFound;
import com.c2kernel.common.PersistencyException;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
* @version $Revision: 1.8 $
**************************************************************************/
public class AddNewCollectionDescription extends PredefinedStep
{
/**************************************************************************
* Constructor for Castor
**************************************************************************/
public AddNewCollectionDescription()
{
super();
}
/**
* Generates a new empty collection description. Collection instances should
* be added by an Admin, who can do so using AddC2KObject.
*
* Params:
* 0 - collection name
* 1 - collection type (Aggregation, Dependency)
* @throws PersistencyException
*/
@Override
protected String runActivityLogic(AgentPath agent, ItemPath item,
int transitionID, String requestData) throws InvalidData, ObjectAlreadyExists, PersistencyException {
String collName;
String collType;
// extract parameters
String[] params = getDataList(requestData);
if (Logger.doLog(3)) Logger.msg(3, "AddNewCollectionDescription: called by "+agent+" on "+item+" with parameters "+Arrays.toString(params));
if (params.length != 2)
throw new InvalidData("AddNewCollectionDescription: Invalid parameters "+Arrays.toString(params));
collName = params[0];
collType = params[1];
// check if collection already exists
try {
Gateway.getStorage().get(item, ClusterStorage.COLLECTION+"/"+collName+"/last", null);
throw new ObjectAlreadyExists("Collection '"+collName+"' already exists");
} catch (ObjectNotFound ex) {
// collection doesn't exist
} catch (PersistencyException ex) {
Logger.error(ex);
throw new PersistencyException("AddNewCollectionDescription: Error checking for collection '"+collName+"': "+ex.getMessage());
}
CollectionDescription<?> newCollDesc;
if (collType.equals("Aggregation"))
newCollDesc = new AggregationDescription(collName);
if (collType.equals("Dependency"))
newCollDesc = new DependencyDescription(collName);
else
throw new InvalidData("AddNewCollectionDescription: Invalid collection type specified: '"+collType+"'. Must be Aggregation or Dependency.");
// store it
try {
Gateway.getStorage().put(item, newCollDesc, null);
} catch (PersistencyException e) {
throw new PersistencyException("AddNewCollectionDescription: Error saving new collection '"+collName+"': "+e.getMessage());
}
return requestData;
}
}
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